israel is preparing for a ground invasion of the gaza strip. last-minute efforts for peace with hamas failed tonight. israeli rockets have been firing at hamas targets over the last few hours. earlier today missiles fired from gaza hit jerusalem. >> david petraeus apologized to lawmakers today for the scandal that ended his career at the agency. he met with members of the house and senate intelligence committees to tell them what he knows about the deadly attack on the u.s. consulate in benghazi, libya. >>> a d.c. school principal is home tonight after being released from jail. thelma jarrett pleaded not guilty to simple assault today. she was released on her own recognizance. a former employee claimed jarrett and three other women attacked her at a football game early career this month. jarrett remains on administrative leave. >>> we're hearing the 911 calls made after a student at bowie state university was murdered. a feud between roommates ended in the death of dominique frazier. the jury found her roommate not guilty last night. prince geo